Fix issue when empty passphrase couldn't be submitted after checking & unchecking "Show passphrase"

src/components/modals/passphrase/Passphrase/index.js

@@ -241,11 +241,12 @@ export default class PinModal extends Component<Props, State> {
             visible: false,
         });
         if (this.passphraseRevisionInput) {
-            this.passphraseRevisionInput.value = '';
+            const emptyPassphraseRevisionValue = '';
-            this.setState({
+            this.passphraseRevisionInput.value = emptyPassphraseRevisionValue;
-                passphraseRevision: '',
+            this.setState(previousState => ({
-                match: false,
+                passphraseRevision: emptyPassphraseRevisionValue,
-            });
+                match: emptyPassphraseRevisionValue === previousState.passphrase,
+            }));
             this.passphraseRevisionInput.disabled = false;
         }
     }